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IBM WebSphere Application Server CVE-2026-9667

| EUVDEUVD-2026-75747 MEDIUM
Server-Side Request Forgery (SSRF) (CWE-918)
2026-09-10 psirt@us.ibm.com GHSA-83q6-79hr-m7rr
5.3
CVSS 3.1 · Vendor: us
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Severity by source

Vendor (us) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
vuln.today AI
5.3 MEDIUM

Network-reachable, no auth required per description; C:L reflects limited SSRF-induced information disclosure with no integrity or availability impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (us).

CVSS VectorVendor: us

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

1
Analysis Generated
Sep 10, 2026 - 21:39 vuln.today

DescriptionCVE.org

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to server-side request forgery (SSRF) that could allow a remote, unauthenticated attacker to cause the server to send outbound requests to arbitrary endpoints.

AnalysisAI

Server-side request forgery (SSRF) in IBM WebSphere Application Server 8.5 and 9.0 enables unauthenticated remote attackers to induce the server to issue arbitrary outbound HTTP requests, potentially reaching internal network resources not exposed externally. The vulnerability carries a CVSS 5.3 medium score, reflecting the constrained confidentiality impact (C:L) and absence of integrity or availability effects. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation No authentication is required; the CVSS PR:N confirms unauthenticated exploitation. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 5.3 medium score reflects a realistic assessment: confidentiality impact is limited (C:L) and neither integrity nor availability are affected (I:N/A:N). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Apply the fix documented in IBM's advisory at https://www.ibm.com/support/pages/node/7286610 - the exact patched version or iFix level should be confirmed directly from that page, as no specific fix version was provided in the source data. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-9667 vulnerability details – vuln.today

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